How to write mail for pending payment

Here is an example of a polite and professional email that you can use as a template to send to a customer whose payment is pending:

Subject: Follow-up on Outstanding Payment

Dear [Customer's Name],

I hope this email finds you well. I am writing to follow up on your outstanding payment of [amount] for [invoice number] dated [date]. As per our records, the payment is still pending and we have not received it yet.

We understand that unforeseen circumstances can arise, and we are more than happy to work with you to resolve this matter. However, we would like to remind you that the payment is overdue and we need to receive it as soon as possible to avoid any further delays.

To facilitate the payment process, we have included the payment details below:

If you have already made the payment, please disregard this email and accept our apologies for the inconvenience. However, if you are experiencing any difficulties in making the payment, please let us know and we will do our best to assist you.

We appreciate your prompt attention to this matter, and we look forward to receiving the payment soon. If you have any questions or concerns, please do not hesitate to contact us.

Thank you for your cooperation and understanding.

Best regards,

[Your Name] [Your Company Name] [Contact Information]

You can customize this template to fit your company's tone and style, and also add or remove sections as necessary. Some other tips to keep in mind:

Remember to also check your company's policies and procedures for sending follow-up emails to customers with pending payments.